Name | Info | Provider | Link |
---|---|---|---|
subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=20838091.ui | |
subscription/membership/fee required | Wolters Kluwer | https://dx.doi.org/10.1097/HP.0b013e3181c479bf |